<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTF-8">
        <meta http-equiv="X-UA-Compatible" content="IE=edge">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        <title>Document</title>
        <style>
            *{
                padding: 0;
                margin: 0;
            }

            head {
                display: none;
            }
            ul li{list-style: none;}
            input{list-style: none;}

            .app {
                width: 100%;
                height: 35px;
                background-color: #ffffff;
                position: fixed;
                text-align: center;
                padding-top: 20px;
                color: #ffff;
                top: 0;
                left: 0;
                right: 0;
            }

            .app span>img{
                width: 17px;
                height: 20px;
                float: left;
                margin-left: 14px;
            }

            .app span>input{
                width: 13.333333rem;
                height: .77333rem;
                border: 1px solid #bebdbd;
                border-left: 300px;
                border-radius: .38667rem;
                /* position: absolute; */
            }

        </style>
    </head>
    <body style="font-size: 12px;">
        <div class="app">
            <span>
                <img src="./images/rw.png" alt="">
            </span>
            <span>
                <input type="text">
            </span>
        </div>
    </body>
</html>